Composite housing with thermoplastic rubber handle grip; Wings on right & left sides to guide the forefinger; Large teasing trigger and progressive valve allowing more control to start holes; Low speed gear box; Flat back part for better pushing action while drilling and tapping; Handle exhaust allowing the air to flow away from the operator; Supplied with high quality industrial Jacobs® chucks for longer use; - keyed Metal; Excellent for drilling, honing, reaming and hole sawing